Fix S6964 FP: Should not raise for reference properties in nullable c…

…ontext (#9308)
SonarSource · May 22, 2024 · 91826ed · 91826ed
1 parent 15d082d
commit 91826ed
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Showing 2 changed files with 7 additions and 2 deletions.
diff --git a/analyzers/src/SonarAnalyzer.CSharp/Rules/AspNet/AvoidUnderPosting.cs b/analyzers/src/SonarAnalyzer.CSharp/Rules/AspNet/AvoidUnderPosting.cs
@@ -103,7 +103,7 @@ private static bool CanBeUsedInModelBinding(INamedTypeSymbol type) =>
 
     private static bool CanBeNull(ITypeSymbol type) =>
         type is ITypeParameterSymbol { HasValueTypeConstraint: false }
-        || (type.IsReferenceType && type.NullableAnnotation() != NullableAnnotation.NotAnnotated)
+        || type.IsReferenceType
         || type.IsNullableValueType();
 
     private static void GetAllDeclaredProperties(ITypeSymbol type, ConcurrentDictionary<ITypeSymbol, bool> examinedTypes, List<IPropertySymbol> declaredProperties)

diff --git a/analyzers/tests/SonarAnalyzer.Test/TestCases/AspNet/AvoidUnderPosting.CSharp8.cs b/analyzers/tests/SonarAnalyzer.Test/TestCases/AspNet/AvoidUnderPosting.CSharp8.cs
@@ -7,11 +7,16 @@ namespace NullableReferences
     public class ModelUsedInController
     {
 #nullable enable
-        public string NonNullableReferenceProperty { get; set; }                    // Noncompliant
+        public string NonNullableReferenceProperty { get; set; }  // Compliant - ASP.NET Core treats non-nullable reference types as if they were decorated with the [Required] attribute
+        public object AnotherNonNullableReferenceProperty { get; set; }
         [Required] public string RequiredNonNullableReferenceProperty { get; set; }
         public string? NullableReferenceProperty { get; set; }
+        public int ValueProperty { get; set; }                // Noncompliant
+        public int? NullableValueProperty { get; set; }
 #nullable disable
         public string ReferenceProperty { get; set; }
+        public object AnotherReferenceProperty { get; set; }
+        public int? AnotherNullableValueProperty { get; set; }
     }
 
     public class DerivedFromController : Controller